Global Machinery Company PCH25 User's Manual
Contents
1. COMPACT CHAINSAW 7 PCHZa INSTRUCTION MANUAL Code PCH25 Date 080318 Op D Warranty Description of symbols Symbols on the machine Specifications General safety instructions Additional safety rules for petrol chainsaws Unpacking Contents of carton Know your product Installing the guide bar and chain Filling up with fuel and oil Starting the chainsaw Stopping the chainsaw Checking the oil supply Adjusting the carburettor Chain brake Bucking spikes Operation Helpful hints Guard against kickback Felling a tree Limbing Bucking Pruning Maintenance NI NOORA R GO DN Warranty Power Tools Whilst every effort is made to ensure your complete satisfaction with this tool occasionally due to the mass manufacturing techniques a tool may not live up to our required level of performance and you may need the assistance of our service department This product is warranted for a 2 year period for home domestic use from the date of the original purchase If found to be defective in materials or workmanship the tool or the offending faulty component will be repaired or replaced free of charge with another of the same item A small freight charge may apply Proof of purchase is essential We reserve the right to reject any claim where the purchase cannot be verified This warranty does not include damage or defects to the tool caused by or resulting from abuse accidents alterations or commercial or2. for best cutting power not for maximum speed Chain brake The chain brake operates automatically in the event of kickback As the guide bar 1 kicks up the wrist of the operator s hand on the top handle knocks against the front guard 8 causing the front guard to move forward and activating the chain brake 1 The chain brake can be operated manually by moving the front guard forward 2 To release the chain brake pull the front guard towards the top handle until a click is heard CAUTION Check that the chain brake is operating correctly each time the chainsaw is used Bucking spikes The Chainsaw has bucking spikes 6 to assist with cutting and reduce the chance of kickback use them as follows Operation WARNINGS Always follow the safety instructions given at the front of this manual This chainsaw must only be used for cutting wood It must not be used for cutting other types of material Do not use the chainsaw as a lever for lifting moving or splitting objects Do not attach the chainsaw to a fixed stand Do not attach any devices to the chainsaw other than those specified by the manufacturer Helpful hints Do not force the saw into the cut Apply only light pressure whilst running the engine at full throttle If the saw chain gets caught in the cut do not try to remove it by twisting the guide or pulling forcibly Use a lever or wedge to open up the cut so that the saw chain
3. is freed While cutting always Run the chainsaw motor at full revs This makes the job Safer as there is less chance of pull in or kick back Position your body to the left of the chainsaw so if it kicks back uncontrollably it goes over your right shoulder never stand in the cutting line of the saw Keep a firm grip with your left hand on the front handle with your thumb securely below the handle The swivel of your wrist in a kick back situation will activate the chain brake Make sure the chain is tensioned correctly Guard against kickback Check the operation of the chain brake each time you use the chainsaw Run the saw at full throttle for 1 2 seconds then push the front guard 8 forwards The chain should stop immediately If the chain is slow to stop or only slows down you must 13 take the tool to an authorised repair centre to have the brake band and clutch drum replaced Disengage the chain brake by pulling the front guard backwards until you hear a click Do not use the chainsaw if the chain brake is not operating correctly Be constantly aware of the position of the upper quadrant of the blade tip This is the part that triggers a kickback when it hits resistance Never engage the upper quadrant of the guide bar with whatever you are cutting and avoid contact with any hidden branches or obstructions Ensure there is a clear work area Always clear away brush vegetation and any obstructing deb
4. and care a Do not force the power tool Use the correct power tool for your application The correct power tool will do the job better and safer at the rate for which it was designed b Do not use the power tool if the switch does not turn it on and off Any power tool that cannot be controlled with the switch is dangerous and must be repaired c Turn tool off completely before making any adjustments changing accessories or storing power tools Such preventive safety measures reduce the risk of starting the power tool accidentally d Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool Power tools are dangerous in the hands of untrained users e Maintain power tools Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the power tool s operation If damaged have the power tool repaired before use Many accidents are caused by poorly maintained power tools f Keep cutting tools sharp and clean Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control g Use the power tool accessories and tool bits etc In accordance with these instructions and in the manner intended for the particular type of power tool taking into account the working conditions and the work to be performed Use of the power tool for operations
5. cause overheating Guide bar wear Chain sharpening Reverse the guide bar every 8 working hours to ensure Sharpen the chain regularly to maintain optimum uniform wear Check the bar rails frequently and if performance of the saw Signs of a dull chain are necessary remove burs and square up the rails using The sawdust becomes powder like a flat file Extra force is required to execute a cut The cut does not track in a straight line e Increased vibration e Increased fuel consumption 15 GMC customer assist For prompt service we suggest you log your service request online at www gmcservice com au Should you not have access to the Internet please contact our service department on 1300 880 001 Australia or 0800 445 721 New Zealand 7am 7pm 7days a week AEST You will need the following details at hand to log your service request Personal details First amp Last name address pick up address contact phone numbers email address Product details Product number date of purchase retailer bought from State amp postcode receipt number reason for the request copy of official purchase receipt Attach your purchase receipt and save with this Manual for future reference Please refer to our website www gmcompany com for full GMC warranty Terms and Conditions fg a 7 m r 7 lt lt f 3 5 s PS A V j past j I j W 4 J ag r i M M p i 4 M m
6. chainsaw using both hands the right hand on the rear handle and the left hand on the front handle when the motor is running A firm grip will help maintain control Do not let go whilst the motor is running Make sure that the area of operation is free of obstructions Do not let the point of the guide bar contact a log branch or any other object Use high speeds when cutting Do not overreach or cut above shoulder height Carefully follow the sharpening and maintenance instructions given in this manual Use only replacement bars and chains specified by the manufacturer DANGER BEWARE OF KICKBACK WARNING Kickback can lead to dangerous loss of control of the chainsaw and result in serious or fatal injury to the saw operator or to anyone standing close by Always be alert Rotational kickback and pinch kickback are major chainsaw operational dangers and the leading cause of most accidents Unpacking Due to modern mass production techniques it is unlikely that your GMC Power Tool is faulty or that a part is missing If you find anything wrong do not operate the tool until the parts have been replaced or the fault has been rectified Failure to do so could result in serious personal injury Contents of carton The GMC Petrol Chainsaw is supplied with the following accessories as standard Chain e Guide bar Double ended wrench Screwdriver Know your product 1 Guide bar 2 Chain 3 Chain tensioning scre
7. different from intended could result in a hazardous situation 4 Service a Have your power tool serviced by a qualified repair personnel using only identical replacement parts This will ensure that the safety of the power tool is maintained Additional safety rules for petrol chainsaws Note For safety reasons the chainsaw is shipped with the chain brake fully engaged This brake must be released before the saw becomes operational Never cut into the ground Never cut into wire fences Never cut into samplings Never cut into prepared wood Use the chainsaw to cut only wood It is advisable to provide a support for the chainsaw when cutting branches Do not cut using the bar point and beware of branches under tension Children under 18 must not use chainsaws Keep people away from the chainsaw when in use Check the following conditions before beginning work There should be no people in the felling area Make sure there is a second person within calling distance The working area should be free from obstacles Wear suitable clothes which do not hinder movement Use specific protection during operations involving head hands feet eyes and ears It is recommended the use of a helmet with a visor during felling branch cutting and chopping operations Wear gloves with an external protection when using the chainsaw Use ear protection to prevent hearing injuries Wear safety boots when using the c
8. business use It also does not cover any bonus items or included accessories Only the power tool is covered under this warranty With continuing product development changes may have occurred which render the product received slightly different to that shown in this instruction manual Please ensure that you store your receipt in a safe place Conditions apply to the above warranty For full details of the warranty terms and conditions please refer to our website www gmcompany com For prompt service we suggest you log your service request online www gmcservice com au should you not have access to the internet please contact our service department on 1300 880 001 Australia or 0800 445 721 New Zealand Introduction Your new GMC power tool will more than satisfy your expectations It has been manufactured under stringent GMC Quality Standards to meet superior performance criteria You will find your new tool easy and safe to operate and with proper care it will give you many years of dependable service CAUTION Carefully read through this entire Instruction Manual before using your new GMC Power Tool Take special care to heed the Cautions and Warnings Your GMC power tool has many features that will make your job faster and easier Safety performance and dependability have been given top priority in the development of this tool making it easy to maintain and operate Environmental protection F Recycle unwante
9. d materials instead of disposing of them as waste All tools hoses and packaging should be sorted taken to the local recycling centre and disposed of in an environmentally safe way Description of symbols The rating plate on your tool may show symbols These represent important information about the product or instructions on its use Conforms to relevant safety standards Wear hearing protection Wear eye protection Wear head protection Read these instructions for use carefully Wear safety footwear Wear safety gloves Warning Use at a distance of at least 10m from other people Explosive material Extremely hot surface Do not touch a hot muffler gear box or cylinder you may get burned These parts get extremely hot from operation and remain hot for a short time after the unit is turned off WARNING Danger of kickback Do not operate unit in the rain Do not attempt to hold saw with one hand Do not use the point of the bar Hold saw properly with both hands Symbols on the machine Fuel inlet gn Position under the fuel tank cap t Chain oil inlet Position next to the oil tank cap On Off o Position on the on off switch Setting the on off switch to Off stops the engine immediately dh RUN Run position A amp B START Start position when engine is warm A CHOKE Start position when engine is cold x Choke control w Position next to knob on the filter c
10. f the petrol and again mix well at least one minute 9 It is very important to mix the two ingredients properly to prevent unnecessary engine wear 6 Make sure that the container is clearly labelled that it is 2 stroke mixture Fuelling the chainsaw 1 The engine must be stopped and cool Place the chainsaw on its side with the fuel tank cap facing upwards Make sure that the fuel mixture is well mixed Remove the fuel tank cap 23 Fill the fuel tank to about 80 of its capacity 5 Fasten the fuel cap securely and wipe up any fuel spillage around the machine NO R W Note 1 Litre of unleaded fuel 28 5ml of oil 5 Litre of unleaded fuel 145ml of oil Adding chain oil WARNING Never start work unless the chain and bar are lubricated 1 Place the chainsaw on its side with the oil cap facing up Untwist and remove the oil tank cap 22 2 Fill the tank to 80 capacity with chain oil 3 Fasten the cap and wipe up any oil spillage Starting the chainsaw WARNING Do not start the motor whilst the saw hangs from one hand This is very dangerous as the chain may come in contact with your body 1 Fill the fuel and oil tanks respectively and tighten the caps securely 2 Set the on off switch 18 to On the position Make sure for safety by pushing the front guard forward 3 When the machine is cold first pull out the choke control 18 to the CHOKE position Fully withdra
11. hainsaw During transport the brake must be applied to avoid accidental start up Do not use the chainsaw in rainy or windy conditions or in poor light Find a suitable position before beginning work When working on slopes the saw operator must stand beside or above the wood to cut i e felled trees Use the chainsaw holding it firmly with both hands Make a wedge shaped cut before felling the tree then the felling cut leaving a hinge for the felling direction Beware of any falling branches after felling operations Beware of wood splinters when cutting chopped wood Ensure your chainsaw is suitable for the job Never work above shoulder level or reach out to cut a branch ensure you have stable footing at all times Do not operate in a hazardous location Such areas include where there is a risk of explosion of petrol fumes leaking gas or explosive dust Do not operate in a confined area Exhaust gases smoke or fumes could reach dangerous concentrations Protect your tool This chainsaw is NOT WEATHERPROOF and should not be exposed to direct sunlight high ambient temperature and damp wet or high humidity conditions Take care not to spill fuel When refuelling the chainsaw ensure that the motor has been switched off Prevent the spilling of fuel as this may also ignite with the hot motor Never refuel whilst the engine running Be careful where you store the chainsaw Store the tool in a dry area away from flam
12. in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes c Keep children and bystanders away while operating a power tool Distractions can cause you to lose control 2 Personal safety a Stay alert watch what you are doing and use common sense when operating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury b Use safety equipment Always wear eye protection Safety equipment such as a dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries c Remove any adjusting key or wrench before turning the tool on A wrench or a key that is left attached to a rotating part of the power tool may result in personal injury d Do not overreach Keep proper footing and balance at all times This enables better control of the power tool in unexpected situations e Dress properly Do not wear loose clothing or jewellery Keep your hair clothing and gloves away from moving parts Loose clothes jewellery or long hair can be caught in moving parts f If devices are provided for the connection of dust extraction and collection facilities ensure that these are connected and properly used Use of these devices can reduce dust related hazards 3 Power tool use
13. is expressly labelled for use with air cooled 2 stroke engines DO NOT use BIA or TCW 2 stroke water cooling type mixed oil The recommended mixing ratio is PETROL 35 OIL 1 Use unleaded petrol with a minimum Octane number of 89 If you use petrol with an Octane number lower than 89 there is a danger that the engine might overheat and the piston seize e Poor quality petrol or oil may damage sealing rings fuel lines or the fuel tank Do not use wasted or regenerated oil it can damage the oil pump CAUTION To maximise the lifetime of the engine avoid the following e Do not use raw petrol it will severely damage the engine very quickly 10 e Do not run the tank dry as this will cause damage to the engine Do not use oil meant for 4 stroke engines it will cause spark plug fouling exhaust blocking and piston ring sticking Do not use fuel mixtures that have been left standing for one month or more they can cause clogging of the carburettor Before storing the chainsaw for an extended period empty the fuel tank clean it then run the motor to empty the carburettor Note Do not discard an unwanted fuel container with household waste It must be taken to an authorised repository site Mixing fuel 35 1 mixing ratio 1 Measure out the quantities of petrol and oil to be mixed 2 Put some of the petrol into a clean approved fuel container 3 Pour in all of the oil and mix well 4 Pour in the rest o
14. mable liquids Keep your distance The chainsaw emits exhaust fumes Ensure bystanders keep a safe distance Operating instructions and instructions for common cutting tasks including the use of personal protection equipment the need for adequate training and the risks involved when operating the unit while tired ill or under the influence of alcohol or other drugs e Ensure you use oil mix fuel Ensure that you mix 35 parts unleaded fuel to 1 part 2 stroke oil If not the engine will overheat and cause damage to your chainsaw Never fill fuel tank indoors Never fill fuel tank when engine is running or hot Do not smoke when filling fuel tank Kickback safety precautions Kickback may occur when the tip of the guide bar touches an object or when the wood closes in and pinches the saw chain lf the bar tip or point contacts it can produce a rapid reverse reaction kicking the guide bar up and back towards the operator This is known as rotational kickback Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator This is known as pinch kickback Either of these reactions can cause loss of control of the saw resulting in serious personal injury Do not rely exclusively on the safety devices built into your saw Take the following steps to help avoid accident or injury Reduce the element of surprise by understanding what causes kickback Keep a firm grip on the
15. ne is off and is cool Disconnect the spark plug to prevent accidental starting Maintenance to be preformed after each use 1 Loosen the filter cover knob 11 and remove the filter cover 10 2 Remove the air filter 7 3 Split the air filter into its two halves and clean the mesh Dry particles can be removed by tapping on a hard surface More stubborn dirt may require washing out the filter with petrol or using an air compressor Re assemble the two halves and replace the airfilter filter cover 10 and knob 11 9 Take off the guide bar 1 and maintain it as follows remove any sawdust from the groove in the guide bar Pruning 6 Make sure that the oil port is not clogged Grease the nose sprocket at the tip of the guide bar 7 Check for fuel and oil leakage and loose fastenings especially those securing the handles and the guide bar If any defects are found take WARNING Wear heavy gloves when handling the chain Hold the guide bar 1 securely in a vice Sharpen each cutter using a chain file Always use outward strokes After sharpening the cutters oo ta ana nan must all have the same width and length After every 3 4 times use an authourised repair centre to professionally repair centre sharpen your saw chain They have the special tools 8 Clean any dust away from the cooling vents as clogged necessary to ensure the correct cutting angles and depths vents can
16. over H High run adjustment screw L Low run adjustment screw r Idle adjustment screw Position left side of machine close to pull start handle Gs Chain brake released hollow arrow and O O activated solid arrow Position right side of machine on chain drive cover Specifications Engine displacement Maximum engine power Engine type Recommended maximum engine speed at idling Maximum engine speed with cutting attachment Fuel type 1 Litre of unleaded petrol 5 Litre of unleaded petrol Fuel tank capacity Oil tank capacity Spark plug Oil feeding system Sprocket wheel Guide bar type Chain bar length Chain type Chain pitch Weight including guide bar and chain Sound pressure level 25 4CC 900W Air cooled single cylinder two stroke cycle 3200min 11000min Unleaded petrol 2 stroke oil 35 1 28 5ml of oil 145ml of oil 230ml 160ml LD L8RTF NGK BM6A Champion CJ8 Automatic pump 6 teeth x 9 53mm 3 8 pitch Sprocket nose 305mm 12 Chinese Chain 9 53mm 3 8 3 85kg 110 dB A General safety instructions WARNING Read and understand all instructions Failure to follow all instructions listed below may result in fire and or serious injury Save these instructions 1 Work area a Keep work area clean and well lit Cluttered and dark areas invite accidents b Do not operate power tools in explosive atmospheres such as
17. pinched in the cut For large limbs that cannot be removed in one cut make an initial cut from the bent side and finish by sawing from the opposite direction Do not remove limbs that are supporting the fallen tree on the ground until the tree has been cut into lengths WARNINGS Always keep a balanced stance Do not stand on the log Be alert to the fact that the log may roll over When working on a slope always stand on the uphill side of the log Bucking Bucking is cutting a log into lengths for easier handling To saw a log lying on the ground first saw halfway then roll the log over and cut from the opposite side To saw the end of a log supported off the ground first Saw up from the bottom one third through the log then finish by sawing down from the top To saw a log in the middle of two supports holding it off the ground first saw down from the top one third through the log then finish by sawing up from the bottom Bucking JL 14 CAUTION Avoid cutting into the ground as this will very quickly dull the saw chain Pruning Pruning is the removal of a limb or branch from a standing tree WARNINGS Do not use an unstable foothold or ladder Do not overreach Do not saw above shoulder height Always use both hands to hold the saw First cut up from the bottom and finish down from the top Maintenance Note Before cleaning your chainsaw or carrying out any maintenance procedure make sure that the engi
18. ris before attempting a cut that might trigger a kickback Avoid cuts that will cause the chainsaw to jam in a tree trunk or limb Observe the size of wood shavings if they become dusty your chain could need sharpening Felling a tree WARNING Felling a tree should only be done by trained operators Decide the direction in which you wish the tree to fall taking into account the direction of the wind the position of branches lean of the tree ease of subsequent limbing and bucking and other factors prevalent at the time 1 Clear the area around the tree and make sure that you have a good foothold and clear retreat path 2 Ensure that others in the area are aware of the felling and ensure people and animals are well clear 3 Make a notch cut one third of the way into the tree on the felling side Felling a tree J Felling lt direction Felling 4 Make the felling cut on the opposite side to the initial notch and slightly higher than the notch As the felling cut gets close to the notch cut the tree will begin to fall 5 Remove the saw from the cut stop the engine with the on off switch 18 put the saw down and leave the area along the retreat path Limbing at Limbing Limbing is the process of removing the branches from a fallen tree Check the direction in which a branch will bend before Cutting it Always cut on the opposite side to the bending direction so that the guide bar is not
19. t guard back Stopping the chainsaw 1 Release the trigger switch 2 Set the on off switch 18 to Off the O position Checking the oil supply Run the engine at medium speed and check that the chain splatters a thin line of oil which can be seen on the ground when the bar is pointed downwards This is normal If there is no line of chain oil stop the motor immediately and investigate the cause The oil tank could be empty or the oil supply to the chain blocked This may require removal of the bar and checking that the upper oil hole in the bar is clear of any blockages Adjusting the carburettor The carburettor is factory set and should not require adjustment Changes in operating conditions may require fine tuning of the carburettor Proceed as follows 1 Stop the engine and screw in both the H and L needles 15 using screwdriver 28 Do not force 2 Turn the H screw 15 back 3 4 of a turn 3 Turn the L screw 16 back 1 1 2 turns 4 Start the engine and let it warm up with the trigger switch half pulled in When the engine is warm release the trigger switch 9 Turn the L screw 17 slowly clockwise until the idling speed is at its maximum then turn the screw back anticlockwise 1 4 of a turn 6 Turn the idling adjusting screw T 14 anticlockwise until the chain does not turn 7 If the idling speed is too slow turn screw T clockwise 8 Make a test cut and adjust screw 15
20. ut 5 finger tight N 8 Tighten the chain tensioner 2 screw 3 until the links of the B a z ZJ R chain just touch the bottom 3 Once the chain drive cover 4 has been removed the edge of the guide bar transport protecting spacer 25 must be removed and 9 Tighten drive nut disposed of so that the chain bar can be positively located 4 Fully loosen the chain tensioning screw 3 10 Check that the chain can be smoothly pulled around the guide bar by hand and that it maintains contact with the guide bar top and bottom To check tension rotate the chain to its tightest condition then suspend a 0 9kg weight from the chain at the mid point of the underside of the bar The maximum distance between the driving links and the bar should be 6 5mm Note Ensure the engine is switched off when making any adjustments to the chain and bar CAUTION A new chain will stretch after just a few minutes of use Check and if necessary re adjust the chain tension A loose chain causes rapid wear to both the chain and the guide bar and could derail causing a major safety hazard Filling up with fuel and oil WARNINGS Petrol is very flammable Avoid smoking or causing any sparks or flames near fuel Make sure that you stop the motor and allow it to cool before refuelling the machine Select outdoor bare ground for fuelling and move at least 3m away from the fuelling point before starting the motor e Only use oil that
21. w 4 Chain drive cover 5 Chain drive cover nut 6 Bucking spikes 7 Air filter lt a 8 Front guard chain brake 9 Top handle 10 Filter cover 11 Filter cover knob 12 Rear handle 13 Recoil starter 14 Idling adjustment screw 15 HIGH Fast run adjustment screw 16 LOW Slow run adjustment screw 17 Choke control 43 9 21 1 2 18 On Off switch 29 14 19 Trigger switch 20 Lock off switch 21 Chain catcher 22 Oil tank cap 23 Fuel tank cap 24 Drive sprocket wheel 25 Spacer for shipping purposes only please dispose of 26 Chain tensioner pin 16 15 27 Double ended wrench 28 Screwdriver 29 Priming bulb 6 22 23 QT Place the guide bar 1 in position over the threaded stud with the chain tensioning pin 26 in the hole in the guide bar Installing the guide bar and chain WARNING The chain has sharp edges Use work gloves for safety IMPORTANT Front guard chain brake must be disengaged when installing the guide bar and chain 1 Pull the front guard 8 towards the rear of the saw until there is a click to make sure that the chain brake is released 2 Remove the chain drive cover nut 5 with the double 6 Place the chain 2 around the ended wrench 27 and remove the chain drive cover 4 drive sprocket wheel 24 with the chain links in the direction shown on the bar and fit the chain around the guide bar Fit the chain drive cover and fasten the n
22. wn Note Once the choke control has been pulled out it cannot be pushed back to the run position 11 4 Depress the priming bulb 29 6 times or when the bulb is full of fuel Note This is not required if engine is warm or is being restarted It returns automatically when the trigger switch is operated 9 Hold the chainsaw securely on f the ground and pull vigorously on the recoil starter 13 Repeat at least 15 times until the engine kicks attempts to start 6 With the lock off switch 20 held depressed slightly pull on the trigger switch 19 and then release it The choke control will click back one position 7 Pull the recoil starter 13 again and restart the engine Allow the engine to warm up 8 When the engine is warm first depress the lock off switch then pull fully on the trigger switch for a short burst The choke control will fully retract to the RUN position your chainsaw is now ready for use 9 When restarting the engine when it is still warm set the choke control to the START position Hold the chainsaw dh RUN securely on the ground and pull vigorously on the recoil starter 13 Allow the engine to run for a few moments with the trigger switch pulled slightly 10 When the engine is fully warm pull on the trigger yp a START switch The choke control will fully retract to the RUN position 11 When ready to start cutting release the brake by pulling the fron
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